SHIYAN 27C, 63601
Orbit data source: Space-Track
SHIYAN 27C, 63601 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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63601 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 5.0 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 SHIYAN 27C
1 63601U 25078C 26269.59370259 .00000002 00000-0 64595-4 0 9998
2 63601 99.6950 275.3868 0000829 87.7826 272.3407 13.57247673 71291Epoch: 2026-09-26T14:14Z
TLE epoch observation values (Epoch: 2026-09-26T14:14:55.903Z)
Latitude
-0.00006°
Longitude
56.25435°
Altitude
1,048.482 km
Speed
7.328 km/s
True Right ascension
18h 21m 32s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
14:37:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.618 km
Perigee altitude
1,042.388 km
Semi-major axis
7,421.14 km
Eccentricity
0.00008
Inclination
99.695°
RAAN
275.3868°
Arg. of periapsis
87.7826°
True anomaly
272.33121°
Mean anomaly
272.3407°
Eccentric anomaly
272.33595°
Mean motion
3.39498 °/min
Orbital period
106.04 mins
BSTAR
0.000064595
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Other satellites on launch #78 in the year 2025 (2025-04-18 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SHIYAN 27C Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-09-26 23:14:19.917Z | 115.586° SE | 2026-09-26 23:19:19.917Z | 58.029° ENE | 28.424° | 2026-09-26 23:24:19.917Z | 6.903° NNE |
| 11 mins | 2026-09-27 00:58:19.917Z | 190.05° SSW | 2026-09-27 01:03:19.917Z | 260.628° W | 48.9° | 2026-09-27 01:09:19.917Z | 333.512° NNW |
| 7 mins | 2026-09-27 12:07:19.917Z | 56.486° ENE | 2026-09-27 12:10:19.917Z | 89.459° E | 20.911° | 2026-09-27 12:14:19.917Z | 133.131° SE |
| 11 mins | 2026-09-27 13:50:19.917Z | 5.888° NNE | 2026-09-27 13:55:19.917Z | 302.047° NW | 61.663° | 2026-09-27 14:01:19.917Z | 211.681° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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